Specification φ10.2mm×145mm, 4.8gram/pen, 2.8gram ink/pen Barrel Round Barrel Spec. 1 Fiber bullet tip, 1.0mm Color 18 colors: Lemon Yellow, Tangelo Orange, Scarlet Red, Magenta Pink, Violet, Plum, Lime Green, Forest Green, Cyan Blue, Indigo Blue, Chocolate Brown, Black Bumblebee Yellow, Coquelicot Red, Fushia, Yellow Green, Cobalt Blue, Gentle Grey